andreas_baumann [1] filed a deletion request for arduino1 [2]: Merged with old history from 'arduino'. The name 'arduino' got free, as there is no name clash now anymore with the 'arduino-ide' package.
[1] https://aur.archlinux.org/account/andreas_baumann/ [2] https://aur.archlinux.org/pkgbase/arduino1/
